From 9fd9378ca0dcc59270194784dc76b124b249fb91 Mon Sep 17 00:00:00 2001
From: Jeff Law <law@redhat.com>
Date: Mon, 24 Apr 2000 08:14:43 +0000
Subject:         * libhppa.h (dis_assemble_16): New function.        
 (pa_arch): Added pa20w element.

---
 bfd/libhppa.h | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'bfd')

diff --git a/bfd/libhppa.h b/bfd/libhppa.h
index c32eabe..649bcab 100644
--- a/bfd/libhppa.h
+++ b/bfd/libhppa.h
@@ -46,6 +46,8 @@ static INLINE unsigned int assemble_12 (unsigned int, unsigned int)
 static INLINE void dis_assemble_12 (unsigned int, unsigned int *,
 				    unsigned int *)
      __attribute__ ((__unused__));
+static INLINE void dis_assemble_16 (unsigned int, unsigned int *, int)
+     __attribute__ ((__unused__));
 static INLINE unsigned long assemble_17 (unsigned int, unsigned int,
 					 unsigned int)
      __attribute__ ((__unused__));
@@ -81,7 +83,7 @@ static INLINE  unsigned long hppa_rebuild_insn (bfd *, unsigned long,
 
 
 /* The PA instruction set variants.  */
-enum pa_arch {pa10 = 10, pa11 = 11, pa20 = 20};
+enum pa_arch {pa10 = 10, pa11 = 11, pa20 = 20, pa20w = 25};
 
 /* HP PA-RISC relocation types */
 
@@ -277,6 +279,30 @@ dis_assemble_12 (as12, x, y)
   *x = ((as12 & 0x3ff) << 1) | ((as12 & 0x400) >> 10);
 }
 
+static INLINE void
+dis_assemble_16 (as16, x, wide)
+     unsigned int as16;
+     unsigned int *x;
+     int wide;
+{
+  unsigned int t1, t2;
+
+  if (wide)
+    {
+      /* Unusual 16-bit encoding.  */
+      t1 = (as16 << 1) & 0xffff;
+      t2 = (as16 & 0x8000);
+      *x = t1 ^ t2 ^ (t2 >> 1) | (t2 >> 15);
+    }
+  else
+    {
+      /* Standard 14-bit encoding.  */
+      t1 = (as16 << 1) & 0x3fff;
+      t2 = (as16 & 0x2000);
+      *x = t1 | (t2 >> 13);
+    }
+}
+
 static INLINE unsigned long
 assemble_16 (x, y)
      unsigned int x, y;
-- 
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